Dayton Audio RS270S-8
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26.9 Hz |
| Qts | 0.41 |
| Qes | 0.53 |
| Qms | 1.81 |
| Vas | 147.2 L |
| Sd | 346.4 cm² |
| Xmax | 6 mm |
| Re | 6.9 Ω |
| Bl | 9.4 T·m |
| Mms | 40 g |
| Pe | 100 W |
| Sensitivity | 90 dB |
Alignment hint
| EBP | 51 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 74.6 L |
EBP 50-100: works in either a sealed or ported alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| SEAS P25REX | 27 +0.1 | 0.437 +0.03 | 156.8 +9.6 | 6 = | 90.7 +0.7 | close | + | |
| SEAS P25REX/DD | 27 +0.1 | 0.437 +0.03 | 156.8 +9.6 | 6 = | 90.7 +0.7 | close | + | |
| Scan-Speak 26W/8534G00 v2011 | 23 -3.9 | 0.402 -0.01 | 150 +2.8 | 6 = | 89.8 -0.2 | close | + | |
| Beyma 10BR60 V2 v2023 | 29 +2.1 | 0.388 -0.02 | 142 -5.2 | 6.5 +0.5 | 91.8 +1.8 | close | + | |
| Audiotechnology 10B772510KAP | 25 -1.9 | 0.415 +0.01 | 128 -19.2 | 8.6 +2.6 | 89.7 -0.3 | close | + | |
| Beyma 10"BR60 V2 | 29 +2.1 | 0.39 -0.02 | 142 -5.2 | 6.5 +0.5 | 92 +2 | close | + | |
| Audiotechnology 10A7725KAP | 23 -3.9 | 0.41 = | 139 -8.2 | 8.6 +2.6 | 89.5 -0.5 | close | + | |
| Scan-Speak 26W/8534G00 | 25 -1.9 | 0.368 -0.04 | 153 +5.8 | 6 = | 91.5 +1.5 | close | + | |
| KEF B139 SP1044 | 25 -1.9 | 0.373 -0.04 | 164 +16.8 | 6 = | 90.9 +0.9 | close | 50 W vs 100 W: lower power handling | + |
| Visaton W250S | 31 +4.1 | 0.401 -0.01 | 140 -7.2 | 7 +1 | 92.2 +2.2 | close | + |
Compare the closest 3 against the RS270S-8 →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.